View disassembler.c
#include <stdlib.h>
#include <stdio.h>
// http://emulator101.com/
int disassemble_op(unsigned char *codebuffer, int pc)
{
unsigned char *code = &codebuffer[pc];
int opbytes = 1;
View postgres-table-bloat.md

In Postgres, each row has a system column xmin which holds the ID of the first transaction to have visibility over that row. Conversely, the xmax system column holds the ID of last trasaction to have visibility over that row.

DROP TABLE IF EXISTS users;
CREATE TABLE users (name varchar(80)) WITH OIDS;
INSERT INTO users VALUES ('root');
SELECT oid, xmin, xmax, name FROM users;
View main.c
#include <stdio.h>
#include <unistd.h>
#include <sys/socket.h>
#include <msgpack.h>
/*
* $ NVIM_LISTEN_ADDRESS=127.0.0.1:8888 nvim
*
*/
View coding-style.rst

Linux kernel coding style

This is a short document describing the preferred coding style for the linux kernel. Coding style is very personal, and I won't force my views on anybody, but this is what goes for anything that I have to be able to maintain, and I'd prefer it for most other things too. Please at least consider the points made here.

View main.cpp
#include <iostream>
#include <string>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/types.h>
using namespace std;
int main()
{
View tricks-and-tips.md

Command-line

Sum of numbers

Pipe to awk '{s+=$1} END {print s}' or paste -s -d+ - | bc (here paste joins the numbers into one line)

vim

  • { extends the selection until the next empty line

Macros

View aws-s3-bucket-policy.json
{
"Version":"2012-10-17",
"Statement":[{
"Sid":"PublicReadGetObject",
"Effect":"Allow",
"Principal": "*",
"Action":["s3:GetObject"],
"Resource":["arn:aws:s3:::example.com/*"
]
}
View bootstrap-vim.sh
#!/bin/bash
# Simple, ad-hoc script to quickly bootstrap a fresh Vim install.
echo -n "This will overwrite your .vimrc and plugins. Do you wish to continue [y/N]? "
read answer
if ! echo "$answer" | grep -iq "^y"; then
exit
fi
View .vimrc
execute pathogen#infect()
"execute pathogen#helptags()
" Suggested Pathogen plugins
" https://github.com/tpope/vim-commentary.git
" https://github.com/tpope/vim-obsession.git
" https://github.com/tpope/vim-sensible.git
" https://github.com/tpope/vim-markdown.git
" https://github.com/itchyny/lightline.vim
" https://github.com/terryma/vim-multiple-cursors.git
" https://github.com/mhinz/vim-signify